Mercury 150 HP 4-Stroke EFI Cylinder Block | OEM 8M0122813 | Fits 2011 & Up Mercury Inline-4 EFI Outboards

Product Overview

Replace your damaged or worn engine block with this genuine OEM Mercury Cylinder Block, designed for 2011 and newer Mercury 150 HP Inline-4 EFI 4-stroke outboards. This factory cylinder block has been professionally inspected and is an excellent foundation for rebuilding your engine. This OEM cylinder block is a bare block, with no internal components included, making it ideal for customers transferring existing engine internals or completing a custom rebuild. Removed from a freshwater engine, it shows no scoring, rust, or corrosion and is ready for assembly. Whether you're repairing catastrophic engine damage or building a replacement powerhead, this genuine Mercury cylinder block delivers factory fitment and dependable quality.

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Key Features

• Genuine OEM Mercury Cylinder Block
• Fits 2011 & newer Mercury 150 HP Inline-4 EFI outboards
• Bare cylinder block
• No scoring, rust, or corrosion
• Removed from a freshwater engine
• Professionally inspected
• Factory OEM replacement
• Ready for assembly

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Technical Specifications

Specification	Details
Brand	Mercury
Product Type	Cylinder Block
Condition	Used – Good Condition
OEM Part Number	8M0122813
Engine Type	Inline-4 EFI
Fuel System	Electronic Fuel Injection (EFI)
Engine Cycle	4-Stroke
Horsepower	150 HP

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OEM Part Numbers

Primary Part Number

• 8M0122813

Also Replaces

• 8M0121209
• 8M0109948
• 8M0057642

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Compatible Applications

Designed for select Mercury outboards including: Model Years

• 2011 & Up

Horsepower

• 150 HP

Engine Type

• Mercury Inline-4 EFI
• 4-Stroke

Donor Engine

• Serial Number: 2B133457

Important: Always verify compatibility using your engine's serial number and OEM part number before purchasing. If you need assistance confirming fitment, contact EZ Boats Marine and we'll be happy to help.

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Condition

This Mercury cylinder block has been professionally inspected and is in excellent used condition. Inspection highlights include:

• Bare cylinder block only (no internal components included)
• No scoring on the cylinder walls
• No rust or corrosion
• Removed from a freshwater engine
• Ready for assembly
• Sold exactly as pictured

Please review all photos carefully to evaluate the cosmetic condition before purchasing.

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What's Included

Your purchase includes:

• OEM Mercury Cylinder Block (8M0122813)

Only the components shown in the product photos are included.

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Shipping Information

Your cylinder block will be securely packaged to help prevent shipping damage during transit. We offer fast shipping throughout the United States, with international shipping available upon request. For an accurate shipping quote, please provide:

• Country
• ZIP or Postal Code
• Residential or Commercial Address
• Whether liftgate service is required

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Why Buy from EZ Boats Marine?

• Genuine OEM Mercury Marine Parts
• Professionally Inspected Components
• Factory Fit and Performance
• Honest Condition Descriptions
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

EZ Boats Marine is committed to supplying quality OEM marine parts backed by expert service and dependable support.

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Frequently Asked Questions

Is this a genuine Mercury part?

Yes. This is an original OEM Mercury cylinder block manufactured by Mercury Marine.

What condition is it in?

The cylinder block is in excellent used condition with no scoring, rust, or corrosion. It has been professionally inspected and removed from a freshwater engine.

Which engines does it fit?

This cylinder block fits select 2011 and newer Mercury 150 HP Inline-4 EFI 4-stroke outboards. Always verify compatibility using your engine's serial number and OEM part number before ordering.

Does it include internal engine components?

No. This listing is for the bare cylinder block only. Internal components, fasteners, and accessories are not included.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Mercury engine's model and serial number, and we'll confirm whether this OEM 8M0122813 Cylinder Block is the correct fit before you purchase.